* [Open Policy Agent v1.20.0](https://github.com/open-policy-agent/opa) – General-purpose policy engine for unified, context-aware policy enforcement across various systems. * [Gatekeeper v3.23.1](https://github.com/open-policy-agent/gatekeeper) – Kubernetes policy controller enforcing constraint templates and constraints via CRDs, with mutation, audit, and external data support. * [opa-envoy-plugin v1.20.1-envoy](https://github.com/open-policy-agent/opa-envoy-plugin) – Extends OPA to enforce fine-grained, context-aware policies for Envoy via the External Authorization gRPC API.